Read the following combinations:

(a) Parapodia – Annelida

(b) Radula – Mollusca

(c) Gill slits – Hemichordata

(d) Comb plates – Echinodermata

(e) Scales – Cyclostomata

(f) Water vascular system – Porifera

The INCORRECT combinations in the above are

• A

  d, e and f

• B

  a, d, e and f

• C

  a, b and c

• D

  a, b, c and f